/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package F.Demo;


import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.IOException;
import java.io.PrintWriter;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;


/**
 *
 * @author Administrator
 */
public class Notices {
    public String getTodayName(){
        Date date=new Date();
        SimpleDateFormat formatter =new SimpleDateFormat("yyyy-MM-dd");
        String dateString=formatter.format(date);
        return dateString;
    }
    public String getTomorrowName(){
        Date date=new Date();
        Calendar calendar=new GregorianCalendar();
        calendar.setTime(date);
        calendar.add(calendar.DATE,1);
        date=calendar.getTime();
        SimpleDateFormat formatter=new SimpleDateFormat("yyyy-MM-dd");
        String dateString=formatter.format(date);
        return dateString;
    }
    public void getTodayNotces() throws FileNotFoundException{
        try{
            File file=new File("notices/"+getTodayName()+".txt");
            if(file.exists()){
                FileReader f=new FileReader(file);
                BufferedReader b=new BufferedReader(f);
                String temp=null;
                while((temp=b.readLine())!=null){
                    System.out.println(temp);
                }
            }else{
                System.out.println("今天没有什么特别提醒的");
            }
        }catch(Exception ex){
            ex.printStackTrace();
        }
        
    }
    public boolean setTomorrowNotice(String notice) throws IOException{
        try{
        File file=new File("notices");
            if(!file.exists()){
                file.mkdir();
            } 
            file =new File("notices/"+getTomorrowName()+"txt");
            if(!file.exists()){
                file.createNewFile();
        }
            FileOutputStream f =new FileOutputStream(file,true);
            PrintWriter p=new PrintWriter(f,true);
            p.println(notice);
            System.out.println("成功添加一条明天的备忘录");
        }catch(Exception ex){
            ex.printStackTrace();
            return false;
        }
        return true;
    }
    public static void main(String aregs[]) throws IOException{
        Notices n=new Notices();
        String dateString= n.getTomorrowName();
        System.out.println(dateString);
        String tomorrowString=n.getTomorrowName();
        System.out.println(tomorrowString);
        n.setTomorrowNotice("2011.04.09");
    } 
}
